Johanna Dekker was a daughter of Levie Abraham Dekker and Rebecca van Vliet. She married three times: to Isaac Bekkers, who however was interred on 13 February 1916 in the Jewish Cemetery of Diemen; then she married the widower of Mietje Tierlier on 15 March 1916 in Amsterdam, Wolf Bles, a son of Simon Wolf Bles and Sara Gabriel Gazan. However after two years Wolf Bles passed away, 61 years old …